3. Iris Caroliniana S. Wats. Carolina 
Blue Flag. (Fig. 1071.) 
Tris Caroliniana §. Wats. in A. Gray, Man. Ed. 6, 514. 
1890. 
Rootstock stout, fleshy. Stem rather stout, simple 
or branched 2°-3° tall, equalled or exceeded by the 
bright green leaves which are 8’/-14’ wide; flowers 
solitary or 2 or 3 together, lilac, variegated with yel- 
low, purple and brown, pedicelled; pedicels somewhat 
shorter than the bracts; outer perianth-segments 
broadly spatulate, 2%/—3’ long, with narrow claws, 
the inner narrower and nearly erect; perianth-tube 
about 4’ long above the ovary; capsule oblong, ob- 
tusely 3-angled, 134’-2’ long; seeds in 1 row in each 
cavity, 4’’-5’” broad. 
In swamps, southern Virginia and eastern North Caro- 
) lina. May-June. 
IRIS FAMILY. 
4. Iris Hookeri Penny. Hooker’s Blue 
Flag. (Fig. 1072.) 
Tris Hookerit Penny; Steud. Nomencl. Ed. 2, Part 1, 
822. 1840. 
Rootstock rather slender. Stems slender, simple 
or branched, terete, 1o’-20’ tall. eaves mostly 
basal, narrowly linear, bright green, shorter than 
or equalling the stem, 2’’—4’/’ wide; flowers solitary 
or 2 together, pedicelled, the pedicels shorter than 
the bracts; perianth-segments glabrous, crestless, 
the inner ones oblanceolate, much shorter and 
smaller than the outer; capsule short-oblong, 1/— 
114’ long, 7’’-10’” in diameter, thin-walled, trans- 
versely veined, obtusely 3-lobed; seeds in 2 rows in 
each cavity, about 14/’ broad. 
On river shores, Newfoundland to Quebec and 
Maine. Summer. 
5. Iris Missouriénsis Nutt. Western 
Blue Flag. (Fig. 1073.) 
Iris Missourtensis Nutt. Journ. Acad. Phila. 7: 58. 
1834. 
Rootstock stout. Stem rather slender, usually 
simple, terete, 6/-2° tall, 1-2-flowered; leaves 
mostly basal, green, sometimes purplish below, 
shorter than or about equalling the stem, 2//-4’’ 
wide; flowers pale blue and variegated, pedicelled; 
pedicels slender, 14’—2’ long, usually shorter than 
the scarious bracts; perianth-segments glabrous, 
crestless, the outer ones 2/-2)4’ long, the inner 
somewhat shorter, the tube 3/’-4’’ long above the 
ovary; capsule oblong, 1/-114’ long, about 4’ in 
diameter, obtusely 6-angled, faintly veined. 
In wet soil, South Dakota to Montana and Nevada, 
south to Colorado and Arizona. May-July. 
